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Grade 365 Molybdenum vs. EN 1.6308 Steel

Grade 365 molybdenum belongs to the otherwise unclassified metals classification, while EN 1.6308 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 365 molybdenum and the bottom bar is EN 1.6308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
190
Elongation at Break, % 6.3
23
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 120
73
Tensile Strength: Ultimate (UTS), MPa 620
610
Tensile Strength: Yield (Proof), MPa 530
460

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Specific Heat Capacity, J/kg-K 250
470
Thermal Expansion, µm/m-K 7.0
13

Otherwise Unclassified Properties

Density, g/cm3 10
7.9
Embodied Carbon, kg CO2/kg material 28
1.6
Embodied Energy, MJ/kg 330
22
Embodied Water, L/kg 360
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
130
Resilience: Unit (Modulus of Resilience), kJ/m3 450
550
Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 16
20
Thermal Shock Resistance, points 21
18

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.2
Iron (Fe), % 0 to 0.010
96.4 to 97.9
Manganese (Mn), % 0
1.2 to 1.6
Molybdenum (Mo), % 99.9 to 100
0.45 to 0.55
Nickel (Ni), % 0 to 0.0020
0.5 to 0.8
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.010
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Vanadium (V), % 0
0 to 0.030